Captured in the 1930s before the words psychopath and pedophile were part of common vernacular, notorious serial killer Arnold Sodeman murdered four young girls with little thought of remorse. Without guilt, the evil serial killer strangled them to death with their own clothing and left their small bodies alone in the Australian brush, earning himself a chilling position in the annals of Australian crime.

On Australia day, 26 January 1966, Jane, Arnna, and Grant Beaumont were abducted from Colley Reserve, Glenelg, South Australia, and never seen again, leading to one of Australia's most extensive police investigations and manhunts. Five decades later, no trace of the children has ever been found.

Trigger's personal journey, fuelled by a thirst for adventure and special forces training, led him to the frontline of policing. He faced life-threatening situations and earned commendation for his exceptional and courageous service, recognition that came at a personal cost. Through Trigger's career he sustained severe injuries, including a broken spine, a gunshot wound to the face and PTSD.

In 1974, Dennis Lynn Rader stalked and murdered a family of four in Wichita, Kansas. Since adolescence, he had read about serial killers and imagined becoming one. Soon after killing the family, he murdered a young woman and then another, until he had 10 victims. He named himself “B.T.K.” (bind, torture, kill) and wrote notes that terrorized the city. He remained on the loose for 30 years.

Their names echo through true crime history like dark legends: John Wayne Gacy, the Zodiac Killer, Richard Ramirez, Aileen Wuornos, Charles Manson, Ted Bundy, and the Golden State Killer. Their infamous deeds have been exhaustively chronicled across every medium imaginable. But beyond these household names lies a shadow world of equally chilling cases that rarely make headlines or streaming television documentaries.